Diagenetic Facies Characteristics of the Chang 9 Oil-bearing Layer of the
Upper Triassic Yanchang Formation in the Jiyuan Area，Ordos Basin
Xiang Fang, Chen Kang, Li Fengjie, Meng Fanxing, Meng Lina
西南石油大学学报(自然科学版) . 2013, (5): 23 -30 .  DOI: 10. 3863/j. issn. 1674 – 5086. 2013. 05. 004